What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Ransom:Win32/Gpcode.B infection?

In this post you will certainly locate about the meaning of Ransom:Win32/Gpcode.B as well as its unfavorable influence on your computer system. Such ransomware are a type of malware that is clarified by on the internet frauds to demand paying the ransom money by a victim.

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Most of the cases, Ransom:Win32/Gpcode.B virus will instruct its sufferers to launch funds transfer for the function of neutralizing the modifications that the Trojan infection has introduced to the victim’s gadget.

Ransom:Win32/Gpcode.B Summary

These alterations can be as adheres to:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the papers situated on the target’s hard disk — so the target can no more use the data;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


One of the most common channels through which Ransom:Win32/Gpcode.B are injected are:

  • By means of phishing emails;
  • As an effect of customer ending up on a source that hosts a harmful software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the target’s computer or protect against the device from functioning in an appropriate way – while also positioning a ransom money note that mentions the need for the victims to impact the payment for the function of decrypting the records or recovering the file system back to the initial condition. In most instances, the ransom note will certainly come up when the client reboots the PC after the system has currently been harmed.

Ransom:Win32/Gpcode.B circulation channels.

In various corners of the world, Ransom:Win32/Gpcode.B grows by leaps and also bounds. Nonetheless, the ransom money notes and techniques of obtaining the ransom money amount might vary depending upon specific neighborhood (local) setups. The ransom notes and also techniques of obtaining the ransom quantity may vary depending on specific neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software application.

    In specific areas, the Trojans often wrongfully report having actually identified some unlicensed applications allowed on the target’s gadget. The alert then requires the user to pay the ransom money.

    Faulty declarations about illegal content.

    In nations where software application piracy is less popular, this method is not as reliable for the cyber frauds. Additionally, the Ransom:Win32/Gpcode.B popup alert might wrongly claim to be deriving from a law enforcement institution and will certainly report having located youngster porn or other unlawful data on the gadget.

    Ransom:Win32/Gpcode.B popup alert may incorrectly claim to be deriving from a regulation enforcement organization and will report having located youngster pornography or various other unlawful data on the gadget. The alert will in a similar way have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 7A6E8335
md5: 0c361f940981a75e635d5521b0a60fec
name: 0C361F940981A75E635D5521B0A60FEC.mlw
sha1: 3a6172c8c55f989cd4e52aa6b9ea6cd4b424f71f
sha256: 15d6b716edc96f9ed822759cc59a297beb1200090dee130e80688c9466441f7d
sha512: 541e239d14a1f710d2b85116b23af0202ee5bdce65d59db58a516cf740723b44c522147ccd1cde3bd18f95771b7578656b2755d5792779da2ba701aa319598d3
ssdeep: 1536:n+qKEk49s2/lYsQS6NNCb4GgUNQBCNkWhrDVX8:nLps2M7NY9/NQBCeWhr
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Ransom:Win32/Gpcode.B also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 004b424e1 )
DrWeb Trojan.PGPCrypt.3
Cynet Malicious (score: 100)
ALYac Trojan.Gpcode.C
Cylance Unsafe
Zillya Trojan.Gpcode.Win32.3
Sangfor Ransom.Win32.Gpcode.e
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Gpcode.e60bcd05
K7GW Trojan ( 004b424e1 )
Cybereason malicious.40981a
Cyren W32/Trojan.QCYO-6626
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Gpcode.E
APEX Malicious
Avast Win32:Pgcoder
ClamAV Win.Trojan.Gpcode-7
Kaspersky Trojan-Ransom.Win32.Gpcode.e
BitDefender Trojan.Gpcode.C
NANO-Antivirus Trojan.Win32.Gpcode.esig
MicroWorld-eScan Trojan.Gpcode.C
Tencent Win32.Virus.Gpcode.Fry
Ad-Aware Trojan.Gpcode.C
Sophos Mal/Generic-R + Troj/Gpcode-C
Comodo Win32.Gpcode.E@2xru
BitDefenderTheta Gen:NN.ZexaF.34688.dmGfaCKuPjp
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.qc
FireEye Trojan.Gpcode.C
Emsisoft Trojan.Gpcode.C (B)
Jiangmin Trojan/Gpcode.c
Webroot Trojan:Win32/Gpcode.B
Avira TR/Gpcode.E
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Gpcode.B
AegisLab Trojan.Win32.Gpcode.tqRI
GData Trojan.Gpcode.C
TACHYON Trojan/W32.Gpcode.118784
AhnLab-V3 Trojan/Win32.HDC.C26217
McAfee Artemis!0C361F940981
MAX malware (ai score=100)
VBA32 Trojan-Ransom.Gpcode
Panda Trj/PGPCoder.B
TrendMicro-HouseCall TROJ_PGPCODER.B
Rising Ransom.Gpcode!8.568 (CLOUD)
Yandex Trojan.GenAsa!kT/sDFOc0YI
Ikarus Trojan-Ransom.Agent
MaxSecure Trojan.Malware.2018611.susgen
Fortinet W32/Gpcode.C!tr
AVG Win32:Pgcoder
Paloalto generic.ml

How to remove Ransom:Win32/Gpcode.B virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Ransom:Win32/Gpcode.B files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Ransom:Win32/Gpcode.B you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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